EVENT 108 Boys 16/17 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Christopher Murphy | 16 | Bedfordshire | 1:06.93 |
| 1 | 3 | Peter Clark | 16 | Warwicks | 1:04.10 |
| 2 | 5 | Anthony Redfern | 16 | Worcs | 1:03.19 |
| 3 | 7 | Luke Hollis | 17 | Cornwall | 1:01.90 |
| 4 | 9 | Matthew Brigham | 16 | Cambs | 1:01.09 |
| 5 | 8 | Matthew Sambrook | 16 | Wiltshire | 1:01.37 |
| 6 | 6 | Andrew Ward | 17 | Northants | 1:02.20 |
| 7 | 4 | Paul Adamson | 17 | Scot Midland | 1:03.43 |
| 8 | 2 | Taliesin Davies | 16 | Shropshire | 1:04.47 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Alexander Shreeve | 17 | Norfolk | 59.96 |
| 1 | 13 | Oliver Smith | 16 | Cumbria | 59.53 |
| 2 | 15 | Jack Warren Ballard | 16 | Leics | 58.99 |
| 3 | 17 | Kilian Korth | 17 | Suffolk | 58.45 |
| 4 | 19 | Braddan Westlake | 17 | Lincolnshire | 56.36 |
| 5 | 18 | Daniel Hussey | 17 | Swim Wales E | 57.56 |
| 6 | 16 | Will Harrison | 17 | Gloucs | 58.77 |
| 7 | 14 | Josh Pankhurst | 16 | Sussex | 59.38 |
| 8 | 12 | Oliver Willis | 17 | Devon | 59.88 |
| 9 | 10 | Daniel Jervis | 16 | Swim Wales W | 1:00.27 |